cpachecker/bin/cpachecker --svcomp24 --heap 10000M --benchmark --option cpa.arg.yamlProofWitness=witness-%s.yml --option witness.yamlexporter.witnessVersions=V2d1,V2 --timelimit 900s --stats --spec sv-benchmarks/c/properties/unreach-call.prp --32 sv-benchmarks/c/loop-acceleration/simple_2-1.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 10000M. Running CPAchecker with default stack size (1024k). Specify a larger value with --stack if needed. Language C detected and set for analysis (CPAMain.detectFrontendLanguageIfNecessary, INFO) Using the following resource limits: CPU-time limit of 900s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 3.1-svn-5f8d539e99+ / svcomp24 (OpenJDK 64-Bit Server VM 17.0.9) started (CPAchecker.run, INFO) Parsing CFA from file(s) "sv-benchmarks/c/loop-acceleration/simple_2-1.c" (CPAchecker.parse, INFO) Using heuristics to select analysis (CoreComponentsFactory.createAlgorithm, INFO) The following configuration options were specified but are not used: cpa.callstack.unsupportedFunctions termination.violation.witness cpa.predicate.memoryAllocationsAlwaysSucceed cpa.arg.compressWitness cpa.arg.yamlProofWitness cpa.callstack.skipFunctionPointerRecursion counterexample.export.yaml cpa.composite.aggregateBasicBlocks counterexample.export.graphml counterexample.export.compressWitness cpa.arg.proofWitness witness.yamlexporter.witnessVersions (CPAchecker.printConfigurationWarnings, WARNING) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Performing heuristic ... (SelectionAlgorithm.chooseConfig, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ResourceLimitChecker.fromConfiguration, INFO) Using Restarting Algorithm (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:CoreComponentsFactory.createAlgorithm, INFO) Loading analysis 1 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'limits.time.cpu' has two values '900s' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'limits.time.cpu::required' has two values '900' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 140s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 1 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 1 stopped. (The CPU-time limit of 140s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 1 of 7 =============================== Total time for algorithm 1: 136.980s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 2.10 (sum: 9795, count: 4669, min: 0, max: 3) Number of global variables per state: 0.00 (sum: 0, count: 4669, min: 0, max: 0) Number of assumptions: 1868 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 4668 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.020s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 9795 (count: 4668, min: 0, max: 3, avg: 2.10) Symbolic values after refinement: 9795 (count: 4668, min: 0, max: 3, avg: 2.10) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 77.291s Time for SMT check: 53.369s Time for resolving definites: 5.990s Cache lookups: 1868 Direct cache hits: 0 Direct cache lookup time: 0.003s Number of removed outdated constraints: 0 (count: 1868, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 16.889s Constraints after refinement in state: 1092309 (count: 4668, min: 0, max: 467, avg: 234.00) Constraints before refinement in state: 1092309 (count: 4668, min: 0, max: 467, avg: 234.00) Time for constraints adjustment: 7.334s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.035s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 6078, count: 6078, min: 1, max: 1) [1 x 6078] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 4667 Max size of waitlist: 4 Average size of waitlist: 3 Number of computed successors: 4668 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 136.842s (Max: 136.842s) Time for choose from waitlist: 0.010s Time for precision adjustment: 7.411s Time for transfer relation: 102.523s Time for stop operator: 26.824s Time for adding to reached set: 0.017s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 4667 Max size of waitlist: 4 Average size of waitlist: 3 Number of computed successors: 4668 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 136.842s (Max: 136.842s) Time for choose from waitlist: 0.010s Time for precision adjustment: 7.411s Time for transfer relation: 102.523s Time for stop operator: 26.824s Time for adding to reached set: 0.017s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 2 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'limits.time.cpu' has two values '900s' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'limits.time.cpu::required' has two values '900' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 60s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 2 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Infeasible counterexample found, but could not remove it from the ARG. Therefore, we cannot prove safety. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, WARNING) Analysis 2 terminated, but result is unsound. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Statistics for algorithm 2 of 7 =============================== Total time for algorithm 2: 0.301s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.00 (sum: 0, count: 14, min: 0, max: 0) Number of global variables per state: 0.00 (sum: 0, count: 14, min: 0, max: 0) Number of assumptions: 4 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 16 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.000s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.002s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 26, count: 26, min: 1, max: 1) [1 x 26] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 15 Max size of waitlist: 2 Average size of waitlist: 1 Number of computed successors: 16 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1 Number of times breaked: 1 Total time for CPA algorithm: 0.007s (Max: 0.007s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.000s Time for transfer relation: 0.003s Time for stop operator: 0.000s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.009s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 0 Number of failed refinements: 0 Max. size of reached set before ref.: 15 Max. size of reached set after ref.: 0 Avg. size of reached set before ref.: 15.00 Avg. size of reached set after ref.: NaN Total time for CEGAR algorithm: 0.031s Time for refinements: 0.023s Average time for refinement: 0.023s Max time for refinement: 0.023s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.222s CPA algorithm statistics ------------------------ Number of iterations: 15 Max size of waitlist: 2 Average size of waitlist: 1 Number of computed successors: 16 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1 Number of times breaked: 1 Total time for CPA algorithm: 0.007s (Max: 0.007s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.000s Time for transfer relation: 0.003s Time for stop operator: 0.000s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.009s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 0 Number of failed refinements: 0 Max. size of reached set before ref.: 15 Max. size of reached set after ref.: 0 Avg. size of reached set before ref.: 15.00 Avg. size of reached set after ref.: NaN Total time for CEGAR algorithm: 0.031s Time for refinements: 0.023s Average time for refinement: 0.023s Max time for refinement: 0.023s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.222s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 3 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'limits.time.cpu' has two values '900s' and '200s'. Using '200s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'limits.time.cpu::required' has two values '900' and '200s'. Using '200s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 200s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:ResourceLimitChecker.fromConfiguration, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant) and JFactory 1.21. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:PredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with PredicateAbstractionRefinementStrategy strategy. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:PredicateCPA:PredicateCPARefiner., INFO) Starting analysis 3 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) Selection Algorithm statistics ------------------------------ Size of preliminary analysis reached set: 0 Used algorithm property: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties Program containing only relevant bools: 0 Relevant boolean vars / relevant vars ratio: 0.0000 Requires alias handling: 0 Requires loop handling: 1 Has a single loop: 1 Requires composite-type handling: 0 Requires array handling: 0 Requires float handling: 0 Requires recursion handling: 0 Relevant addressed vars / relevant vars ratio: 0.0000 Program containing external functions: true Number of all righthand side functions: 5 Restart Algorithm statistics ---------------------------- Number of algorithms provided: 7 Number of algorithms used: 3 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties Total time for algorithm 3: 0.079s PredicateCPA statistics ----------------------- Number of abstractions: 6 (13% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 3 (50%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 3 (50%) Times precision was empty: 5 (83%) Times precision was {false}: 1 (17%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 0 (0%) Times result was 'false': 1 (17%) Number of strengthen sat checks: 0 Number of coverage checks: 2 BDD entailment checks: 2 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 3 Avg ABE block size: 2.50 (sum: 15, count: 6, min: 2, max: 3) Number of predicates discovered: 2 Number of abstraction locations: 1 Max number of predicates per location: 1 Avg number of predicates per location: 1 Total predicates per abstraction: 1 Max number of predicates per abstraction: 1 Avg number of predicates per abstraction: 1.00 Number of irrelevant predicates: 1 (100%) Time for post operator: 0.003s Time for path formula creation: 0.003s Time for strengthen operator: 0.000s Time for prec operator: 0.009s Time for abstraction: 0.008s (Max: 0.008s, Count: 6) Solving time: 0.000s (Max: 0.000s) Model enumeration time: 0.000s Time for BDD construction: 0.000s (Max: 0.000s) Time for coverage checks: 0.000s Time for BDD entailment checks: 0.000s Total time for SMT solver (w/o itp): 0.000s Number of path formula cache hits: 22 (45%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.002s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 202 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 16, min: 0, max: 0) Time for BDD node cleanup: 0.000s Time for BDD garbage collection: 0.000s (in 0 runs) KeyValue statistics ------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 Invariant Generation statistics ------------------------------- AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.000s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 46, count: 46, min: 1, max: 1) [1 x 46] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 25 Max size of waitlist: 3 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 16, min: 0, max: 0) CallstackSortedWaitlist: 6.00 (sum: 18, count: 3, min: 3, max: 9) Number of computed successors: 28 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1 Number of times breaked: 2 Total time for CPA algorithm: 0.017s (Max: 0.011s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.009s Time for transfer relation: 0.005s Time for merge operator: 0.000s Time for stop operator: 0.001s Time for adding to reached set: 0.000s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.005s Time for path feasibility check: 0.001s Time for predicate extraction from CFA: 0.003s Time for ARG update: 0.001s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 1 Avg. length of target path (in blocks): 2.00 (sum: 2, count: 1, min: 2, max: 2) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.006s Path-formulas extraction: 0.000s Counterexample analysis: 0.004s (Max: 0.004s, Calls: 2) Refinement sat check: 0.001s Interpolant computation: 0.001s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.000s Precision update: 0.001s ARG update: 0.000s Length of refined path (in blocks): 2.00 (sum: 2, count: 1, min: 2, max: 2) Number of affected states: 0 (count: 1, min: 0, max: 0, avg: 0.00) Length (states) of path with itp 'true': 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp non-trivial itp: 0 (count: 1, min: 0, max: 0, avg: 0.00) Length (states) of path with itp 'false': 0 (count: 1, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Equal non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 Number of successful refinements: 2 Number of failed refinements: 0 Max. size of reached set before ref.: 12 Max. size of reached set after ref.: 11 Avg. size of reached set before ref.: 12.00 Avg. size of reached set after ref.: 6.00 Total time for CEGAR algorithm: 0.029s Time for refinements: 0.011s Average time for refinement: 0.005s Max time for refinement: 0.006s CPA algorithm statistics ------------------------ Number of iterations: 25 Max size of waitlist: 3 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 16, min: 0, max: 0) CallstackSortedWaitlist: 6.00 (sum: 18, count: 3, min: 3, max: 9) Number of computed successors: 28 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1 Number of times breaked: 2 Total time for CPA algorithm: 0.017s (Max: 0.011s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.009s Time for transfer relation: 0.005s Time for merge operator: 0.000s Time for stop operator: 0.001s Time for adding to reached set: 0.000s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.005s Time for path feasibility check: 0.001s Time for predicate extraction from CFA: 0.003s Time for ARG update: 0.001s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 1 Avg. length of target path (in blocks): 2.00 (sum: 2, count: 1, min: 2, max: 2) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.006s Path-formulas extraction: 0.000s Counterexample analysis: 0.004s (Max: 0.004s, Calls: 2) Refinement sat check: 0.001s Interpolant computation: 0.001s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.000s Precision update: 0.001s ARG update: 0.000s Length of refined path (in blocks): 2.00 (sum: 2, count: 1, min: 2, max: 2) Number of affected states: 0 (count: 1, min: 0, max: 0, avg: 0.00) Length (states) of path with itp 'true': 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp non-trivial itp: 0 (count: 1, min: 0, max: 0, avg: 0.00) Length (states) of path with itp 'false': 0 (count: 1, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Equal non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 Number of successful refinements: 2 Number of failed refinements: 0 Max. size of reached set before ref.: 12 Max. size of reached set after ref.: 11 Avg. size of reached set before ref.: 12.00 Avg. size of reached set after ref.: 6.00 Total time for CEGAR algorithm: 0.029s Time for refinements: 0.011s Average time for refinement: 0.005s Max time for refinement: 0.006s CPAchecker general statistics ----------------------------- Number of program locations: 33 Number of CFA edges (per node): 31 (count: 33, min: 0, max: 2, avg: 0.94) Number of relevant variables: 4 Number of functions: 3 Number of loops (and loop nodes): 1 (sum: 5, min: 5, max: 5, avg: 5.00) Size of reached set: 15 Number of reached locations: 15 (45%) Avg states per location: 1 Max states per location: 1 (at node N4) Number of reached functions: 2 (67%) Number of target states: 0 Time for analysis setup: 0.786s Time for loading CPAs: 0.233s Time for loading parser: 0.131s Time for CFA construction: 0.394s Time for parsing file(s): 0.219s Time for AST to CFA: 0.085s Time for CFA sanity check: 0.000s Time for post-processing: 0.055s Time for loop structure: 0.005s Time for AST structure: 0.000s Time for function pointers resolving: 0.002s Function calls via function pointers: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer calls: 0 (count: 1, min: 0, max: 0, avg: 0.00) Function calls with function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Time for classifying variables: 0.031s Time for collecting variables: 0.018s Time for solving dependencies: 0.000s Time for building hierarchy: 0.000s Time for building classification: 0.013s Time for exporting data: 0.000s Time for Analysis: 137.435s CPU time for analysis: 140.940s Time for analyzing result: 0.001s Total time for CPAchecker: 138.222s Total CPU time for CPAchecker: 142.440s Time for statistics: 0.036s Time for Garbage Collector: 0.572s (in 721 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: TRUE. No property violation found by chosen configuration. Exporting witnesses in Version 2.1 is currently WIP. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:ARGCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".